| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 IBM Corporation and others. |
| // All rights reserved. This program and the accompanying materials |
| // are made available under the terms of the Eclipse Public License v1.0 |
| // which accompanies this distribution, and is available at |
| // http://www.eclipse.org/legal/epl-v10.html |
| // |
| // Contributors: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.authoring.gef.commands; |
| |
| import org.eclipse.epf.authoring.gef.edit.NamedNodeEditPart; |
| import org.eclipse.epf.authoring.ui.AuthoringUIPlugin; |
| import org.eclipse.epf.authoring.ui.AuthoringUIResources; |
| import org.eclipse.epf.common.ui.util.MsgDialog; |
| import org.eclipse.epf.common.utils.StrUtil; |
| import org.eclipse.epf.diagram.model.NamedNode; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.swt.widgets.Display; |
| |
| /** |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public class ChangeNameCommand extends Command { |
| |
| private NamedNode element; |
| |
| private String newName, oldName; |
| |
| private static final String LABEL = AuthoringUIResources.gef_changeNameCommand_label; |
| private static final String UNDO_MESSAGE = AuthoringUIResources.gef_changeNameCommand_undoMessage; |
| |
| public ChangeNameCommand(NamedNode elem, String newName) { |
| super(LABEL); |
| element = elem; |
| oldName = elem.getName(); |
| this.newName = newName.trim(); |
| } |
| |
| public boolean canExecute() { |
| return element != null; |
| } |
| |
| public void execute() { |
| element.setName(newName); |
| } |
| |
| public void undo() { |
| if (!StrUtil.isBlank(oldName)) { |
| element.setName(oldName); |
| } else { |
| Display.getCurrent().asyncExec(new PromptEdit(null, UNDO_MESSAGE)); |
| } |
| } |
| |
| static class PromptEdit implements Runnable { |
| |
| private String msg; |
| |
| PromptEdit(NamedNodeEditPart part, String msg) { |
| this.msg = msg; |
| } |
| |
| /** |
| * @see java.lang.Runnable#run() |
| */ |
| public void run() { |
| String title = AuthoringUIResources.warningDialog_title; |
| MsgDialog dialog = AuthoringUIPlugin.getDefault().getMsgDialog(); |
| dialog.displayError(title, msg, ""); //$NON-NLS-1$ |
| } |
| |
| } |
| |
| } |